The Carlson Mechanical Difference benefits Seattle and Snohomish homes and businesses

Seattle radiant heat

Carlson Mechanical specializes in the installation, repair and maintenance of radiant heat systems, boilers and indirect water heaters for the entire Seattle metro area from Everett to Redmond to Renton.  

Our mechanics provide King County and Snohomish County with residential and commercial service from installing new multi-zone hydronic heat systems to repairing turn-of-the-century steam heat to maintaining boilers. 

With customer service as our highest priority, our goal is to make working with us as stress-free as possible.  Whether we’re making a quick repair or installing a new heating system, we go all out to deliver a better value than other companies.

Efficient and reliable heating systems

The design and installation of your new heating system requires a high degree of skill and knowledge and our staff, with their 94 plus years of combined experience, has it.  We understand your new heating system will be a part of your home for decades to come so it needs to be designed and installed correctly.

That’s why our mechanics and plumbers combine new technology with proven methods to create an installation process that’s second to none.  The result is a dependable system you can count on to operate at peak efficiency while making your home more comfortable. 

As far as your crew goes, I could not be more impressed! We had complete confidence in Riley leading the team and Arik as his right-hand man. I know that Dennis and James were also here and everyone represented you well.

There was clear communication during the whole process and everyone was pleasant, friendly, professional, respectful and appeared highly capable.

- Lynn M.

Meet The Carlson Mechanical Team:

Mark Lee-Master and Commander

Mark Lee, Journeyman plumber and mechanic with 28 years of experience, has been working for Carlson Mechanical since its beginning in the 1990's and the owner since 2005.  He's passionate about hydronic heating, customer service and the Minnesota Vikings. 

Tim Carlson

Tim Carlson, founder of Carlson Mechanical. A Journeyman plumber with over 41 years heating experience, he started the company to specialize in high quality boiler and hot-water heating. 

He now works at the company he started as a trouble-shooting and problem-solving savant.  

Dennis Dietzel

Dennis is an excellent mechanic with over 31 years experience working with boilers, hot-water heating systems, swimming pools of all types and oil-fired equipment. 

He shines at customer service and has been an important part of Carlson Mechanical since 2007.

James Dinnie

James joined Carlson Mechanical in October of 2015. He is a state certified journeyman plumber with 21 years of plumbing experience under his belt.

With a "can do" attitude and strong emphasis on customer service, he fits right in with the rest of our staff. We’re happy to have him as a part of our team!

Arik Lee

After getting his education at WASU, Arik decided to continue to learn all he can about the heating business. Having studied finance and business, he’s a perfect fit.

His excellent customer service skills and experience at previous employment will only be an asset to our fast-growing family business. We're all very happy that Arik has joined the team!

The Truck

I really appreciated the time you took to answer all of our questions, assisting with the planning and placement of the radiators, the constant communication about the status of our project. . . I have nothing but good things to say about Carlson Mechanical.

- Melissa Carr

We fix what others can’t

ToolsOur plumbers and mechanics work on a variety of radiant heating systems, boilers, water heaters and related equipment so we have developed a deep understanding of how things works.

This knowledge is why Carlson Mechanical is often called in to solve a problem when other companies have failed. Our expertise allows us to quickly diagnose the situation so we can get to work fixing it.

Seattle Radiant Heat Systems

Big enough for complex jobs & small enough for personal service

Carlson Mechanical is large enough for the most difficult jobs, yet small enough to provide the individual attention you want.

All projects are completed with the same precision and passion, whether they are small residential jobs or large commercial projects.

Our fully stocked warehouse ensures a well-stocked truck, which means we always have what we need.  Being prepared is the sign of a mechanic who takes pride in his work.

Service after the sale

While other companies let customer service slide after they’ve gotten the sale, Carlson Mechanical is devoted to maintaining the same high level of service throughout the entire process. 

Communication is key to our success.

  • Easy to understand estimates
  • Clear and concise answers to your questions
  • Follow-up after completion of project

Our focus has always been on taking care of the customer before, during and after the sale.

Seattle Radiant Floor Heat

Clean, Prompt and Courteous

As you read through the testimonials on this website, you'll see our mechanics pride themselves on their professional conduct. 

From their on-time arrival to their flexibility when working with other contractors and accommodating changes in your schedule, our staff maintains their cheerful demeanor while working to complete your installation or repair on time.

The best part?  They clean up after themselves so you can just relax.